Bill can swim, _______ he can’t sing.
#57157
A
but
B
and
C
or
D
so
推荐题目
You will fall behind others_______ you work hard.
#56590
A
if
B
unless
C
though
D
since
 I don’t like running, _____I like swimming. 
#56237
A
and    
B
but   
C
with   
D
so
____ it is rainy today, ____ he still works outside.
#57229
A
Although, but
B
But, although
C
/, although
D
Although, /